Description: It is not only a key ring, but also a mini game console. Through puzzle game, it will improve your child's hands-on skills and memory. There is no doubt that you can play games anywhere because of its key ring design, which enable the mini console to be hung on your bag and carried around with you. Made of plastic material, it is portable and lightweight. The diameter of this mini game console is 5.5cm. It is suitable for training memory and daily entertainment. Item Name: Memory Game Machine Material: plastic Features: Multi-purpose, Interesting, Mini Batteries: 4 X LR1130 (Included) Size Details: Diameter: 5.5cm/2.17"(Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Memory Game Machine